Shield R-22 Locking Cap, Green, 4 Pack

The Shield refrigerant locking cap is the best option to meet both the IMC and IRC codes. The Shield uses a patent pending all brass design to provide great protection without corrosion. The Shield Features include: | All brass design, no corrosion | Four pack | Tamper-resistant key | Two warning stickers | Waterproof green sleeves for R-22 | Deters refrigerant theft and huffing | Provides greater security than any other cap on the market